8-bit USB JS MCUs

Block Diagram

Freescale S08JS Microcontroller Block Diagram

Freescale S08JS Microcontroller Block Diagram

Features

8-Bit HCS08 Central Processing Unit (CPU)

  • Up to 24 MHz internal bus (48 MHz HCS08 core) frequency offering 2.7 to 5.5V across temperature range of -40°C to +85°C

On-Chip Memory

  • Up to 16K flash read/program/erase over entire operating voltage and temperature ranges
  • Up to 512 bytes random access memory (RAM)
  • 256 byte USB RAM

Power-Saving Modes

  • Wait plus two stop modes

Clock Source Options

  • Clock source options include crystal, resonator and external clock
  • Multi-purpose clock generator (MCG)—PLL and FLL
  • Internal reference clock with trim adjustment
  • Option to drive USB module with 32.768 kHz crystal

Peripherals

  • USB device module
  • Serial Communications Interface (SCI) module with optional 13 bit break.
  • Serial Peripheral Interface (SPI) - A single 8-bit or 16- bit module with receive data buffer (RDB) hardware match function
  • TPM — Up to 2-channel 16-bit timer/pulse-width modulator (TPM) module
  • RTC—(Real-time counter) 8-bit modulus counter with binary or decimal based prescaler

Input/Output

  • 8 interrupt pins with selectable polarity
  • 12 general purpose input/output (GPIO) pins and 2 output only pins

System Protection

  • A watchdog Computer Operating Properly (COP) reset
    • option to run from dedicated 1-kHz internal clock source or bus clock
  • Low-voltage detection with reset or interrupt
  • Illegal opcode detection with reset
  • Illegal address detection with reset
  • Flash block protection

Development Support

  • ROM based USB boot loader
  • Single-wire background debug interface
  • On-chip in-circuit emulator (ICE) debug with real time bus capture

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Documentation

Quick reference to our documentation types.

1-10 of 29 documents

Compact List

Application Note (11)
Application Note Software (2)
Data Sheet (1)
Fact Sheet (1)
Product Change Notice (2)
Reference Manual (5)
Reliability and Quality Information (2)
Technical Notes (1)
User Guide (4)

Design Files

Hardware

Quick reference to our board types.

4 hardware offerings

Software

Quick reference to our software types.

1-5 of 10 software files

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Note: For better experience, software downloads are recommended on desktop.

Engineering Services

2 engineering services

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